./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0aae719d835771c4602eac7b24cfefa200f147c0 ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:42:53,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:42:53,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:42:53,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:42:53,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:42:53,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:42:53,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:42:53,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:42:53,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:42:53,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:42:53,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:42:53,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:42:53,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:42:53,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:42:53,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:42:53,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:42:53,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:42:53,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:42:53,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:42:53,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:42:53,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:42:53,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:42:53,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:42:53,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:42:53,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:42:53,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:42:53,484 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:42:53,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:42:53,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:42:53,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:42:53,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:42:53,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:42:53,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:42:53,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:42:53,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:42:53,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:42:53,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:42:53,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:42:53,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:42:53,506 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:42:53,507 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:42:53,507 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:42:53,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:42:53,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:42:53,510 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:42:53,510 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:42:53,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:42:53,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:42:53,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:42:53,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:42:53,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:42:53,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:42:53,511 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:42:53,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:42:53,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:42:53,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aae719d835771c4602eac7b24cfefa200f147c0 [2018-10-26 20:42:53,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:42:53,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:42:53,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:42:53,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:42:53,567 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:42:53,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10_false-unreach-call_true-termination.c [2018-10-26 20:42:53,620 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/data/08ed95a75/b3e224fed1054f0eb1eb035f8a7ec8d2/FLAG2d50be003 [2018-10-26 20:42:53,977 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:42:53,978 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/sv-benchmarks/c/recursive-simple/id_i10_o10_false-unreach-call_true-termination.c [2018-10-26 20:42:53,983 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/data/08ed95a75/b3e224fed1054f0eb1eb035f8a7ec8d2/FLAG2d50be003 [2018-10-26 20:42:53,994 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/data/08ed95a75/b3e224fed1054f0eb1eb035f8a7ec8d2 [2018-10-26 20:42:53,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:42:53,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:42:53,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:42:53,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:42:54,002 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:42:54,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:42:53" (1/1) ... [2018-10-26 20:42:54,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ce24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54, skipping insertion in model container [2018-10-26 20:42:54,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:42:53" (1/1) ... [2018-10-26 20:42:54,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:42:54,024 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:42:54,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:42:54,130 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:42:54,139 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:42:54,149 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:42:54,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54 WrapperNode [2018-10-26 20:42:54,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:42:54,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:42:54,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:42:54,150 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:42:54,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:42:54,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:42:54,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:42:54,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:42:54,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:42:54,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:42:54,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:42:54,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:42:54,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:42:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:42:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:42:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:42:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-10-26 20:42:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-10-26 20:42:54,526 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:42:54,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:42:54 BoogieIcfgContainer [2018-10-26 20:42:54,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:42:54,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:42:54,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:42:54,551 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:42:54,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:42:54" (1/1) ... [2018-10-26 20:42:54,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:42:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-10-26 20:42:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-26 20:42:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 20:42:54,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:42:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-10-26 20:42:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-10-26 20:42:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:42:54,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:42:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-10-26 20:42:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-26 20:42:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:42:55,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:42:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-10-26 20:42:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-10-26 20:42:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:42:55,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:42:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 35 states and 56 transitions. [2018-10-26 20:42:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-10-26 20:42:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:42:57,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:42:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 38 states and 64 transitions. [2018-10-26 20:42:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-10-26 20:42:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:42:57,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:42:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:42:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 41 states and 74 transitions. [2018-10-26 20:42:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-10-26 20:42:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:42:57,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:42:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:42:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 20:42:59,006 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:43:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 57 states and 107 transitions. [2018-10-26 20:43:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2018-10-26 20:43:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:43:00,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 20:43:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 73 states and 137 transitions. [2018-10-26 20:43:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2018-10-26 20:43:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:43:02,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-26 20:43:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 165 transitions. [2018-10-26 20:43:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 165 transitions. [2018-10-26 20:43:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:43:05,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 20:43:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:06,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 92 states and 174 transitions. [2018-10-26 20:43:06,380 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 174 transitions. [2018-10-26 20:43:06,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:43:06,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 20:43:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 98 states and 188 transitions. [2018-10-26 20:43:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2018-10-26 20:43:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:43:07,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 20:43:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 101 states and 200 transitions. [2018-10-26 20:43:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-10-26 20:43:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:43:07,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 20:43:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 104 states and 215 transitions. [2018-10-26 20:43:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 215 transitions. [2018-10-26 20:43:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:43:08,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-26 20:43:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 107 states and 225 transitions. [2018-10-26 20:43:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2018-10-26 20:43:08,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:43:08,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-26 20:43:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 116 states and 255 transitions. [2018-10-26 20:43:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 255 transitions. [2018-10-26 20:43:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:43:10,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:43:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-26 20:43:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:43:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 119 states and 272 transitions. [2018-10-26 20:43:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 272 transitions. [2018-10-26 20:43:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 20:43:11,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:43:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:43:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:43:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:43:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:43:11,683 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2018-10-26 20:43:11,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:43:11 ImpRootNode [2018-10-26 20:43:11,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:43:11,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:43:11,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:43:11,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:43:11,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:42:54" (3/4) ... [2018-10-26 20:43:11,747 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:43:11,816 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa29b4f4-5de1-4251-8953-ebb1830dafdf/bin-2019/ukojak/witness.graphml [2018-10-26 20:43:11,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:43:11,817 INFO L168 Benchmark]: Toolchain (without parser) took 17820.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 959.7 MB in the beginning and 846.6 MB in the end (delta: 113.0 MB). Peak memory consumption was 404.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,818 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:43:11,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.61 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:43:11,819 INFO L168 Benchmark]: Boogie Preprocessor took 14.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,820 INFO L168 Benchmark]: RCFGBuilder took 336.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,820 INFO L168 Benchmark]: CodeCheck took 17208.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 286.0 MB). Peak memory consumption was 430.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,821 INFO L168 Benchmark]: Witness Printer took 80.35 ms. Allocated memory is still 1.3 GB. Free memory was 850.6 MB in the beginning and 846.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:43:11,831 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 1 error locations. UNSAFE Result, 17.0s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458752 SDtfs, 456844 SDslu, 749848 SDs, 0 SdLazy, 3009722 SolverSat, 829606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8994 GetRequests, 8307 SyntacticMatches, 369 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41559 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 674 ConstructedInterpolants, 0 QuantifiedInterpolants, 81784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 1028/2056 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int input = 10; [L11] CALL, EXPR id(input) VAL [\old(x)=10] [L5] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L6] CALL, EXPR id(x-1) VAL [\old(x)=9] [L5] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L6] CALL, EXPR id(x-1) VAL [\old(x)=8] [L5] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L6] CALL, EXPR id(x-1) VAL [\old(x)=7] [L5] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L6] CALL, EXPR id(x-1) VAL [\old(x)=6] [L5] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L6] CALL, EXPR id(x-1) VAL [\old(x)=5] [L5] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L6] CALL, EXPR id(x-1) VAL [\old(x)=4] [L5] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L6] CALL, EXPR id(x-1) VAL [\old(x)=3] [L5] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L6] CALL, EXPR id(x-1) VAL [\old(x)=2] [L5] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L6] CALL, EXPR id(x-1) VAL [\old(x)=1] [L5] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L6] CALL, EXPR id(x-1) VAL [\old(x)=0] [L5] COND TRUE x==0 [L5] RET return 0; VAL [\old(x)=0, \result=0, x=0] [L6] EXPR id(x-1) VAL [\old(x)=1, id(x-1)=0, x=1] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=2, id(x-1)=1, x=2] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=3, id(x-1)=2, x=3] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=4, id(x-1)=3, x=4] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=5, id(x-1)=4, x=5] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=6, id(x-1)=5, x=6] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=7, id(x-1)=6, x=7] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=8, id(x-1)=7, x=8] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=9, id(x-1)=8, x=9] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=10, id(x-1)=9, x=10] [L6] RET return id(x-1) + 1; [L11] EXPR id(input) [L11] int result = id(input); [L12] COND TRUE result == 10 [L13] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.61 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 17208.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 286.0 MB). Peak memory consumption was 430.7 MB. Max. memory is 11.5 GB. * Witness Printer took 80.35 ms. Allocated memory is still 1.3 GB. Free memory was 850.6 MB in the beginning and 846.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...